刺激中心偏差不管它在显示器上的位置如何,仍然存在
Rotem Mairon1,2, Ohad Ben-Shahar1,2
1Department of Computer Science, Ben-Gurion University of the Negev, Be'er Sheva 84105, Israel.
Journal of eye movement research
|December 24, 2025
概括
人类的眼睛运动显示出强烈的中心偏差,始终固定视觉刺激的中间. 这项研究分离了刺激中心效应,证实它是影响视觉注意力的有形因素.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 人类观察者表现出一贯的偏见,固定视觉刺激的中心,这种现象自从早期的眼动研究以来就观察到.
- 以前的研究被实验偏见所混,使得这个中心偏见的确切起源受到争论.
- 屏幕中心和刺激中心之间的相互作用影响着固定模式,但隔离特定刺激的影响仍然具有挑战性.
研究的目的:
- 严格调查刺激中心对眼睛运动的影响,独立于混实验因素.
- 隔离和量化刺激本身中心对视觉注意力的影响.
- 要确定中心偏差是否是刺激本身的固有属性.
主要方法:
- 进行了一项自由视觉眼睛跟踪实验,使用在各种水平位移处呈现的刺激.
- 用各种自然场景图像作为刺激来揭示固有的视觉偏见.
- 分析了最初几次固定的数据,以评估观看模式.
主要成果:
- 观察到对刺激的中心有强大的偏差,不管刺激在显示器上的位置如何.
- 中心偏差的强度受到了刺激与反平衡标记器之间的距离的影响.
- 这些发现表明,刺激中心本身对最初的固定位置有很大的影响.
结论:
- 人类眼睛运动中的中心偏差是一种与视觉刺激直接相关的有形现象.
- 这种偏差在很大程度上独立于屏幕上的刺激位置,但是由接近其他视觉线索而调节的.
- 在研究视觉注意力和眼睛运动模式时,未来的研究应该考虑刺激的内在特性.
相关概念视频
01:16Biasing of P-N Junction
1.7K
The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
1.7K
01:22Biasing of FET
648
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
648
01:25Motivational Bias
295
Cognitive bias results from limitations in thinking and information processing, leading to systematic errors in judgment. Conversely, motivational bias stems from personal desires or emotions, causing distortions in perception to align with self-interest. Motivational bias influences how individuals perceive and attribute causes to events, often shaped by personal needs, goals, and self-esteem preservation. This bias can distort judgment, leading to inaccurate assessments of success, failure,...
295
01:33Somatosensation
42.9K
The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
42.9K
01:31Confirmation Biases
7.6K
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
7.6K
01:12Perceptual Constancy
1.2K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.2K